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Safety Page EN-7
Risks during exhaust air operation
WARNING
Risk of suffocation/explosion!
The air in the room where the exhaust
hood is operating is extracted by fan
and released outside. If, in this room, a
fi replace requiring indoor air – such as a
gas fi re or other fuel-based heating sys-
tem – is also in use, the oxygen that is
necessary for combustion may also be
extracted. This can result in the fl ame
being extinguished and gas being re-
leased or the room becoming saturated
with exhaust fumes.
■
It is possible to run the appliance
without any risk by, for example,
providing non-sealable openings in
doors, windows or ventilation con-
duits through which the combustion
air can escape, and by achieving a
negative pressure level in the instal-
lation space of maximum 0.04 mbar.
This prevents the exhaust fumes from
being sucked back into the room.
■
In order to determine the necessary
measures, the entire ventilation sys-
tem throughout the home must be
reviewed. Consult the gas safety con-
sultant who is responsible for the
home.
■
Never attach the exhaust hood to a
ventilation shaft, chimney or smoke-
stack! The air being extracted must
not travel through a channel in which
warm air circulates. The extracted
air may only be released to the out-
side through a separate air channel
intended exclusively for the exhaust
hood.
NOTICE
Risk of damage to property!
■
For exhaust air operation, a wall or
ceiling break of at least 15.5 cm in di-
ameter is required.
■
We recommend having a specialist
(electrician) carry out this break (core
drilling).
■
If the exhaust air hose passes
through an exterior wall, the air out-
let on the outside must have a cover
with self-opening slits (not included
in the package contents). Hire a spe-
cialist to carry out the wall break.
■
Consider the following: The shorter
and straighter the exhaust hose, the
more powerful the hood function will
be.
■
In Germany, statutory requirements
for extracting exhaust air vary from
state to state. Ask your district chim-
ney sweep for advice.